645032309

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{27961}}^1$

素因数の和:28060

約数の個数: 16

約数和(自身を含む): 724775040

約数和(自身を除く): 79742731

約数列:

[1, 17, 23, 59, 391, 1003, 1357, 23069, 27961, 475337, 643103, 1649699, 10932751, 28044883, 37943077, 645032309]

約数ペア:

[(1, 645032309), (17, 37943077), (23, 28044883), (59, 10932751), (391, 1649699), (1003, 643103), (1357, 475337), (23069, 27961)]